Free Expression Online
Studies of Internet filtering, network interference, and other technologies and practices that impact freedom of expression online.
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Latest Research
Keyword Censorship in Chinese Mobile Games
In a recent paper presented at FOCI, Citizen Lab researchers investigate the nature of keyword filtering in Chinese mobile games, supporting a decentralized framework of censorship.
勿忘晓波:微信和微博针对刘晓波逝世的信息审查之分析
加拿大多伦多大学公民实验室(Citizen Lab)研究了微信和微博针对刘晓波逝世的信息审查,初步分析显示,在刘晓波去世後审查力度大幅增加,以至于任何对刘晓波的讨论乃至简单提及也不被允许.
Remembering Liu Xiaobo: Analyzing censorship of the death of Liu Xiaobo on WeChat and Weibo
WeChat and Sina Weibo adapted and evolved their censorship efforts in response to the death of Liu Xiaobo.
不能说的秘密:新浪微博和微信上被过滤的“709追捕”
本报告属于多伦多大学蒙克全球事物学院公民实验室对微信和新浪微博信息审查的研究系列。通过一系列测试,研究者发现了在这两个平台上被审查过滤的与“709追捕”相关的关键词和图片。与公民实验室过去的研究结果相同,审查以不透明的形式进行。
We (can’t) Chat: “709 Crackdown” Discussions Blocked on Weibo and WeChat
This report analyzes the information control practices related to a national crackdown on Chinese rights lawyers and activists on two leading Chinese social media networks. We document the Search filtering on Weibo, China’s Twitter-like service, as well as keyword and image censorship on WeChat, the most popular chat app in China.